Overview: The past comes back to haunt DCI Mathias as he investigates the death of convicted killer Catrin John - could her death be linked to that of Iwan Thomas's?
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First Air Date: Oct 29, 2013Last Air date: Dec 18, 2016Season: 3 SeasonEpisode: 24 EpisodeRuntime: 48 minutesQuality: HDIMDb: 7.30 / 10 by 83 usersPopularity: 31.554Language: English, Welsh